[Form 4] WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP Insider Trading Activity

Rhea-AI Filing Summary

Westinghouse Air Brake Technologies (WAB) reported an insider transaction by officer John A. Mastalerz, Jr. On 11/12/2025, he sold 2,766 shares of common stock (Transaction Code S) at a price of $210 per share. Following the sale, he beneficially owned 5,286 shares, held directly. The filer is listed as SVP Fin, Corp Controller, CAO, and the filing was made as a single reporting person.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mastalerz John A Jr

(Last) (First) (Middle)

30 ISABELLA ST.

(Street)

PITTSBURGH PA 15212

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP [ WAB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP Fin, Corp Controller, CAO

3. Date of Earliest Transaction (Month/Day/Year)
11/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock - Direct	11/12/2025		S		2,766	D	$210	5,286	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	David L. DeNinno, POA for John A. Mastalerz, Jr.	11/14/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did WAB insider John A. Mastalerz, Jr. report on Form 4?

He reported a sale of 2,766 shares of WAB common stock on 11/12/2025.

At what price were the WAB shares sold?

The shares were sold at $210 per share.

How many WAB shares does the insider hold after the transaction?

He beneficially owned 5,286 shares following the reported sale.

What is the insider’s role at WAB?

He is listed as SVP Fin, Corp Controller, CAO.

What was the transaction code on the Form 4?

The transaction code was S, indicating an open market or private sale.

Is the ownership direct or indirect after the sale?

The Form 4 indicates direct (D) ownership of the remaining shares.

Was this filing by one or multiple reporting persons?

It was filed by one reporting person.